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发明名称
A METHOD AND APPARATUS FOR PROVIDING A HIERARCHICAL SECURITY PROFILE OBJECT
摘要
申请公布号
AU2003212412(A1)
申请公布日期
2003.09.09
申请号
AU20030212412
申请日期
2003.02.27
申请人
OPENTV, INC.
发明人
TAYLOR, W. KIDD
分类号
H04N7/24;(IPC1-7):H04N7/16;H04N5/00
主分类号
H04N7/24
代理机构
代理人
主权项
地址
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